Intercellular protein trafficking through plasmodesmata

Intercellular protein trafficking through plasmodesmata During plant morphogenesis, groups of cells differentiate to form specialized tissues possessing distinct structures and functions. Cell specialization is a result of specific gene expression at the individual cell level. Coordination of differential gene expression among cells requires that cells communicate with one another. Plasmodesmata provide a cytoplasmic pathway for direct intercellular communication. Recent discoveries that macromolecules such as transcription factors, viral proteins, and plant defense-related proteins can traffic through plasmodesmata suggest that intercellular protein trafficking is potentially an important means to regulate plant developmental processes, physiological functions, plant-pathogen interactions, and plant defense reactions. Thus, elucidating the specific functions and mechanisms of intercellular protein trafficking has broad implications in understanding how a plant develops and functions at the molecular level. This review is to provide an update on this rapidly developing area of plant biology, with emphasis on the discussion of possible mechanisms underlying intercellular protein trafficking. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Intercellular protein trafficking through plasmodesmata

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1998 by Kluwer Academic Publishers
Subject
Life Sciences; Biochemistry, general; Plant Sciences; Plant Pathology
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1023/A:1006051703837
Publisher site
See Article on Publisher Site

Abstract

During plant morphogenesis, groups of cells differentiate to form specialized tissues possessing distinct structures and functions. Cell specialization is a result of specific gene expression at the individual cell level. Coordination of differential gene expression among cells requires that cells communicate with one another. Plasmodesmata provide a cytoplasmic pathway for direct intercellular communication. Recent discoveries that macromolecules such as transcription factors, viral proteins, and plant defense-related proteins can traffic through plasmodesmata suggest that intercellular protein trafficking is potentially an important means to regulate plant developmental processes, physiological functions, plant-pathogen interactions, and plant defense reactions. Thus, elucidating the specific functions and mechanisms of intercellular protein trafficking has broad implications in understanding how a plant develops and functions at the molecular level. This review is to provide an update on this rapidly developing area of plant biology, with emphasis on the discussion of possible mechanisms underlying intercellular protein trafficking.

Journal

Plant Molecular BiologySpringer Journals

Published: Oct 6, 2004

References

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